Structural monitoring device



FIG. 1 is a perspective view of a structural monitoring device embodyingthe new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a right side elevational view thereof.

The broken lines shown in the drawings are for the purpose ofillustrating unclaimed portions of the structural monitoring device andform no part of the claimed design. The rear side is not visible duringnormal use and forms no part of the claimed design.

CLAIM The ornamental design for a structural monitoring device, as shownand described.